- Definitions|0
- Thesaurus|626
- Abbreviations|0
49 entries under cruel topic. ×
| hard(adjective, set, strong, tough, continue) | |
| obdurate(adjective, strong, hard, tough, firm) | |
| callous(adjective, set, strong, hard, tough) | |
| cold fish(expression, adjective, tough, harsh) | |
| hard-boiled(adjective, hard, tough, harsh, indifferent) | |
| heartless(adjective, feeling, hard, cold, indifferent) | |
| insensitive(adjective, hard, tough, indifferent) | |
| pitiless(adjective, vicious, fixed, unfeeling) | |
| stern(adjective, tough, severe, harsh) | |
| strict(adjective, tough, severe, firm, harsh) | |
| thick-skinned(adjective, calm, hard, cool, tough) | |
| unfeeling(adjective, hard, tough, rough, harsh) | |
| unkind(adjective, hard, tough, harsh, indifferent) | |
| unrelenting(adjective, tough, firm, harsh) | |
| acrimonious(adjective, tough, severe, harsh) | |
| antagonistic(adjective, tough, severe, harsh) | |
| austere(adjective, tough, harsh, grim) | |
| bitter(adjective, tough, harsh, grim) | |
| bleak(adjective, tough, severe, harsh) | |
| brutal(adjective, tough, harsh, grim) |
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| APA | Smart Define. (2015). hard as nails thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hard_as_nails/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hard as nails thesaurus" https://smartdefine.org/hard_as_nails/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, hard as nails thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hard_as_nails/thesaurus/synonyms>. |
| MLA | Smart Define. "hard as nails thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/hard_as_nails/thesaurus/synonyms> |